Schmidt-Nielsen, Knut. <br/><br/>
How animals work / 
Knut Schmidt-Nielsen. 
 - Euston, London.  Cambridge University Press.  c1972 
 - vi, 114p. :   ill. ;  21cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0521096928 (pbk) 
<br/><br/><label>Dewey Class. No.: </label>591.1  / S353